Mauidrillia imparilirata (FOSSIL) Powell, 1942 †
Mauidrillia inaequalis (FOSSIL) Powell, 1942 †
Mauidrillia incerta (FOSSIL) A.G. Beu, 1970 †
Inodrillia incondita (E.A. Smith, 1888)
Paradrillia inconstans (E.A. Smith, 1875)
Inodrillia ino P. Bartsch, 1943
Buchema interpleura (W.H. Dall & C.T. Simpson,1901)
Buchema interstrigata (Smith, 1882)
Anacithara ione (J.C. Melvill & R. Standen,1896)
Carinapex johnwiedricki S.G. Wiedrick, 2015
Mauidrillia kachabaruensis (FOSSIL) F.S. MacNeil, 1960 †
Paradrillia kakegawensis (FOSSIL) (J. Makiyama, 1927 †)
Horaiclavus kilburni P. Stahlschmidt, 2015
Paradrillia kobayashii (FOSSIL) (M. Yokoyama, 1928 †)
Haedropleura laeta (K.H.J. Thiele, 1925)
Austrodrillia laevis T. Shuto, 1965
Striatoguraleus laticulmen R.N. Kilburn, 1994
Marshallena lepta (A. Adams & G.F. Angas,1864)
Anacithara leptalea C. Hedley, 1922
Anacithara levukensis (R.B. Watson, 1881)
Buchema liella (L.F. Corea, 1934)
Carinapex lindseygrovesi S.G. Wiedrick, 2015
Anacithara lita (J.C. Melvill & R. Standen,1896)
Paradrillia lithoria (J.C. Melvill & R. Standen,1903)
Horaiclavus madurensis (M.M. Schepman, 1909)
Haedropleura maitreja (FOSSIL) (A. von Koenen, 1872 †)
Anacithara maltzani (J. Knudsen, 1952)
Inodrillia martha P. Bartsch, 1943
Buchema melanacme (E.A. Smith, 1882)
Micropleurotoma melvilli (E.R. Sykes, 1906)
Paradrillia melvilli A.W.B. Powell, 1969
Vexitomina metcalfei (G.F. Angas, 1867)
Inodrillia miamia P. Bartsch, 1943
Paradrillia minoensis T. Shuto, 1961
Carinapex minutissima (A. Garrett, 1873)